Cortex is the region found between

In tissue culture experiments, leaf mesophyll cells are put in a culture medium to form callus. This phenomenon may be called as

Which one of the following statements refers to Reductionist Biology?

The oxygenation activity of \(RuBisCo\) enzyme in photorespiration leads to the formation of 

Among flowers of Calotropis, tulip, Sesbania, Asparagus, Colchicum, sweet pea, Petunia, Indigofera, mustard, soybean, tobacco and groundnut, how many plants have corolla with valvate aestivation?

Select the favourable conditions required for the formation of oxyhaemoglobin at the alveoli.

Match the following:

List \(- I\)	List \(-II\)
(a) Physalia	(i) Pearl oyster
(b) Limulus	(ii) Portuguese Man of War
(c) Ancylostoma	(iii) Living fossil
(d) Pinctada	(iv) Hookworm

Choose the correct answer from the options given below.

Statements related to human Insulin are given below. Which statement(s) is/are correct about genetically engineered Insulin? \((a)\) Pro-hormone insulin contain extra stretch of C-peptide \((b)\) A-peptide and B-peptide chains of insulin were produced separately in E.coli, extracted and combined by creating disulphide bond between them. \((c)\) Insulin used for treating Diabetes was extracted from Cattles and Pigs. \((d)\) Pro-hormone Insulin needs to be processed for converting into a mature and functional hormone. \((e)\) Some patients develop allergic reactions to the foreign insulin. Choose the most appropriate answer from the options given below:

At \(100\,^oC\) the \(K_w\) of water is \(55\) times its value at \(25\,^oC.\) What will be the \(pH\) of neutral solution ?   \((log\, 55 = 1.74)\)

A uniform rod of mass 20 kg and length 5 m leans against a smooth vertical wall making an angle of \(60^{\circ}\) with it. The other end rests on a rough horizontal floor. The friction force that the floor exerts on the rod is _______. (take \(\left.g =10 m / s ^2\right)\)

Identify the correct orders against the property mentioned
(A) \(H _2 O > NH _3> CHCl _3\) - dipole moment
(B) \(XeF _4> XeO _3> XeF _2-\) number of lone pairs on central atom
(C) \(O - H > C - H > N - O -\) bond length
(D) \(N _2> O _2> H _2\) - bond enthalpy
Choose the correct answer from the options given below :

Young's double slit experiment is first performed in air and then in a medium other than air. It is found that \(8^{th}\) bright fringe in the medium lies where \(5^{th}\) dark fringe lies in air. The refractive index of the medium is nearly 

Match the oxide given in column \(A\) with its property given in column \(B\)

Column \(A\)	Column \(B\)
\((i) \;\mathrm{Na}_{2} \mathrm{O}\)	\((a)\) Neutral
\((ii) \;\mathrm{Al}_{2} \mathrm{O}_{3}\)	\((b)\) Basic
\((iii)\;\mathrm{N}_{2} \mathrm{O}\)	\((c)\) Acidic
\((iv)\;\mathrm{Cl}_{2} \mathrm{O}_{7}\)	\((d)\) Amphoteric

Which of the following options has all correct palrs